{"id":7808,"date":"2008-09-07T07:36:00","date_gmt":"2008-09-07T07:36:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=7808"},"modified":"2008-09-07T07:36:00","modified_gmt":"2008-09-07T07:36:00","slug":"%ea%b5%90%ed%86%b5%eb%b9%84","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=7808","title":{"rendered":"\uad50\ud1b5\ube44"},"content":{"rendered":"<div class=\"desc\">\n        \ub0b4\uac00 1km\ub97c \uac00\ub294\ub370 \ub4e4\uc5ec\uc57c \ud558\ub294 &#8220;\ube44\uc6a9&#8221;\uc740  \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud560\uae4c?<\/p>\n<p>        \ubb3c\ub860 \uc774 \ube44\uc6a9\uc740 \uad50\ud1b5\uc218\ub2e8\ub9c8\ub2e4 \ub2e4\ub974\ub2e4.<\/p>\n<p>        \ub0b4\uac8c \uc788\uc5b4 \uc2e4\uc81c\uc801\uc778 \uc9c0\ucd9c\uc5d0 \ud574\ub2f9\ud558\ub294 \uac83\uc740 &#8220;\uc2dc\uac04&#8221;\uacfc &#8220;\ub3c8&#8221;\uc774\ubbc0\ub85c, \uc2dc\uac04\uacfc \ub3c8\uc744 \uacf1\ud55c \uac12\uc744 &#8220;\ube44\uc6a9&#8221;\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud560 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc2dc\uac04\uac00\uce58\ub97c \ub3c8\uc73c\ub85c \ud658\uc0b0\ud574\uc11c \ud569\uc0b0\ud574\ub3c4 \ub418\uc9c0\ub9cc, \uc774 \uacbd\uc6b0\uc5d0\ub294 \uacf1\uc148\uc774 \ub9de\ub2e4\uace0 \ubcf8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ub3c8\uc744 \uc544\uc8fc \ub9ce\uc774 \ub4e4\uc778\ub2e4\uace0 \uc2dc\uac04\uc774 0\uc774 \ub418\ub294 \uac83\ub3c4 \uc544\ub2c8\uace0, \uc2dc\uac04\uc774 \uc544\uc8fc \uc624\ub798 \uac78\ub9b0\ub2e4\uace0 \ud574\uc11c \ub3c8\uc774 0\uc6d0\uc774 \ub4e4\uc5b4\uac00\ub294 \uac83\ub3c4 \uc544\ub2c8\uae30 \ub54c\ubb38\uc5d0, 0\uc774 \uc544\ub2cc &#8220;\ube44\uc6a9&#8221;\uc744 \uc0ac\uc6a9\ud588\ub2e4\uba74 \ubc18\ub4dc\uc2dc \ub458 \ub2e4 0\uc774 \uc544\ub2c8\uc5b4\uc57c \ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \ub610\ud55c, \uc808\ucda9\ud55c\ub2f5\uc2dc\uace0 \ub367\uc148\uacfc \uacf1\uc148\uc744 \uac19\uc774 \uc4f0\ub294 \uac74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc758\ubbf8\uac00 \uc5c6\ub2e4. \ub3c8\uc744 $m$\uc774\ub77c\uace0 \ud558\uace0 \uc2dc\uac04\uc744 $t$\ub77c\uace0 \ud558\uba74<br \/>\n        <br \/>\n        $m+t+m*t =  m+t+m*t +1 -1 = m*(1+t)+t+1-1 = (m+1)*(t+1)-1$<br \/>\n        <br \/>\n        \uc774 \ub418\uc5b4\uc11c \ub300\ub7b5 \uacf1\uc148\uc5d0 \ube44\ub840\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>        \uadf8\ub7fc, \ub300\ub7b5 \ubc29\uc815\uc2dd\uc744 \uc138\uc6cc\ubcf4\uba74<br \/>\n        <br \/>\n        $m*t=C$<br \/>\n        <br \/>\n        \uc5ec\uae30\uc11c, $C$\ub294 \ube44\uc6a9\uc774 \ub418\uaca0\ub2e4. \ube44\uc6a9\uc740 \ub2e4\uc2dc \ub2e4\ub978 \ubc29\ubc95\uc73c\ub85c \uacc4\uc0b0\ud574\uc57c \ud558\ub294\ub370<br \/>\n        <br \/>\n        $C=C(\uae30\ub984\uac12, \uad50\ud1b5\ube44, \uc2dc\uac04, \uad50\ud1b5\ub7c9, \uc18d\ub825 )$<br \/>\n        <br \/>\n        \ub4f1\ub4f1\uc758 \ud568\uc218\uac00 \ub420 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc774\ub54c \uad50\ud1b5\ube44\ub294 \ub2e4\uc2dc \uae30\ub984\uac12\uacfc \uc2dc\uac04\uc758 \ud568\uc218\ub85c \ud45c\ud604\ub41c\ub2e4.<\/p>\n<p>        \uc774\uc81c, \uc774\uac83\uc744 Action\uc73c\ub85c \ub450\uace0 \ucd5c\uc801\ud654 \uc2dc\ud0a4\ub294 \uac83\uc744 \uc368 \ubcf4\uc790.<br \/>\n        <br \/>\n        $L(m, \\dot{m}, t)=C-m*t$<br \/>\n        <br \/>\n        $\\frac{\\partial L}{\\partial_m}-\\frac{d}{dt}\\frac{\\partial}{\\partial_{\\dot{m}}}$<\/p>\n<p>        \uadf8\ub7fc \uc774\uc81c $m(t)$\ub97c \uad6c\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>        \uc8fc\uc758 : \ub09c \ubb3c\ub9ac\ud559 \uc804\uacf5\uc774\uc9c0 \uacbd\uc81c\ud559 \uc804\uacf5\uc774 \uc544\ub2c8\ubbc0\ub85c \uc704 \ub0b4\uc6a9\uc774 \ub9de\ub294 \ub0b4\uc6a9\uc778\uc9c0\ub294 \ubcf4\uc99d\ud558\uc9c0 \ubabb\ud55c\ub2e4.<\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=597\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ub0b4\uac00 1km\ub97c \uac00\ub294\ub370 \ub4e4\uc5ec\uc57c \ud558\ub294 &#8220;\ube44\uc6a9&#8221;\uc740 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ud560\uae4c? \ubb3c\ub860 \uc774 \ube44\uc6a9\uc740 \uad50\ud1b5\uc218\ub2e8\ub9c8\ub2e4 \ub2e4\ub974\ub2e4. \ub0b4\uac8c \uc788\uc5b4 \uc2e4\uc81c\uc801\uc778 \uc9c0\ucd9c\uc5d0 \ud574\ub2f9\ud558\ub294 \uac83\uc740 &#8220;\uc2dc\uac04&#8221;\uacfc &#8220;\ub3c8&#8221;\uc774\ubbc0\ub85c, \uc2dc\uac04\uacfc \ub3c8\uc744 \uacf1\ud55c \uac12\uc744 &#8220;\ube44\uc6a9&#8221;\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud560 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc2dc\uac04\uac00\uce58\ub97c \ub3c8\uc73c\ub85c \ud658\uc0b0\ud574\uc11c \ud569\uc0b0\ud574\ub3c4 \ub418\uc9c0\ub9cc, \uc774 \uacbd\uc6b0\uc5d0\ub294 \uacf1\uc148\uc774 \ub9de\ub2e4\uace0 \ubcf8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ub3c8\uc744 \uc544\uc8fc \ub9ce\uc774 \ub4e4\uc778\ub2e4\uace0 \uc2dc\uac04\uc774 0\uc774 \ub418\ub294 \uac83\ub3c4 \uc544\ub2c8\uace0, \uc2dc\uac04\uc774 \uc544\uc8fc \uc624\ub798 \uac78\ub9b0\ub2e4\uace0 \ud574\uc11c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-7808","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-21W","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7808"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7808\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7808"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}